The Brief A large tree fell across Cascade Avenue in southwest Atlanta early Wednesday morning. The tree brought down power lines and traffic signals, forcing a section of the road to close. A massive fallen tree is blocking part of Cascade Avenue in southwest Atlanta after bringing down power lines and traffic signals early Wednesday morning. What we know:The tree fell across the roadway between Orlando Street and Kenmore Street, forcing authorities to close that section of Cascade Avenue while crews work to clear the scene. What you can do:Drivers should avoid the affected section of Cascade Avenue while cleanup and repairs continue.